About MORIMOTO SATOSHI
About KUSAKA ATSUSHI
About YOSHIOKA TOMOYA
About YOSHIOKA TOMOYA
About オリエンタルコンサルタンツ
About HASEGAWA YOSHIHIKO
About トンネル工学報告集(CD-ROM)
About road tunnel
About material
About degradation(alteration)
About variation
About checking out
About crack
About new Austrian tunneling method
About material
About tunnel transformation state
About Crack
About NATM
About Tunnel maintenance and incidental equipment,and others
About 道路トンネル
About 材質劣化
About 起因
About 変状